15002920

素因数分解:

$2^3\times 5^1\times {\mathrm{157}}^1\times {\mathrm{2389}}^1$

素因数の和:2557

約数の個数: 32

約数和(自身を含む): 33985800

約数和(自身を除く): 18982880

約数列:

[1, 2, 4, 5, 8, 10, 20, 40, 157, 314, 628, 785, 1256, 1570, 2389, 3140, 4778, 6280, 9556, 11945, 19112, 23890, 47780, 95560, 375073, 750146, 1500292, 1875365, 3000584, 3750730, 7501460, 15002920]

約数ペア:

[(1, 15002920), (2, 7501460), (4, 3750730), (5, 3000584), (8, 1875365), (10, 1500292), (20, 750146), (40, 375073), (157, 95560), (314, 47780), (628, 23890), (785, 19112), (1256, 11945), (1570, 9556), (2389, 6280), (3140, 4778)]